Can radio frequency set off a home security system?

Wireless home security systems use radio frequency with a small transmitter located in each sensor allowing them to communicate. If the system is of poor quality, radio frequency interference can s...
Read More »http://www.answerbag.com/q_view/1883680

Who invented the first home security system?

In 1969, Marie Van Brittan Brown, an African-American inventor, received a patent for the first home security system along with her partner Albert Brown. Their home security system consisted of clo...
Read More »http://www.answerbag.com/q_view/1869490